<template>
  <div id="container">
    <h1>名字是{{ name }} --年龄是{{ age }}</h1>
  </div>
</template>
<script setup>
    const name = 'wangwu';
    const age = 20;
</script>

<style scoped>
    #container {
        width: 500px;
        height: 500px;  border: 1px solid black;
        margin: auto;   background-color: yellowgreen;
    }
</style>